testsuite: add GPL license
diff --git a/testsuite/init_module.c b/testsuite/init_module.c
index fd20c02..7141566 100644
--- a/testsuite/init_module.c
+++ b/testsuite/init_module.c
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2012 ProFUSION embedded systems
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
#include <assert.h>
#include <errno.h>
#include <dirent.h>